Quality Diesel Service for GMC Duramax trucks in Ontario, CA

GMC is dedicated to building tough and capable-yet upscale-pickup trucks, SUVs, vans, light-duty trucks, and medium-duty trucks. Over the years, GMC has also produced fire trucks, ambulances, heavy-duty trucks, military vehicles, motorhomes, and transit buses. Whatever type of GMC truck you own, our technicians can take care of the repairs you need.

At Onsite Truck & Equipment Repair, we appreciate that you want to keep your GMC Duramax truck running and looking its best-not only is your GMC Duramax truck your livelihood, it's also a reflection of who you are as a person and a professional. Most people don't know that repairs and maintenance for a commercial truck can cost upwards of $15,000 a year. We do, and we realize that's a lot of money. You can count on us to help you keep service costs to a minimum for your GMC Duramax truck or fleet.

We know that many owner/operators take their GMC Duramax truck trucks to an authorized dealer for service even though GMC Duramax truck dealerships generally charge more for maintenance and repairs than independent truck shops. Unfortunately, many people think a higher price tag means higher quality service. We don't believe that's true when it comes to GMC Duramax truck repair. In fact, we're confident that our mechanical skill and experience is on par with dealership technicians.